KSIĄŻKI POWIĄZANE ZE SŁOWEM «DEMIGRATION»
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1
Seismic True-amplitude Imaging
Kirchhoff migration, the inverse process can be called an isochron stack, or
simply Kirchhoff demigration. The concept of true amplitude in connection with
Kirchhoff demigration follows immediately from its definition for Kirchhoff
migration.
Jörg Schleicher, M. Tygel, Peter Hubral, 2007
2
Prestack Depth Migration and Velocity Model Building
... limits 1990–2001 DMO + 3D zero-offset constant- velocity preSTM, followed by
a demigration of the stack and then 3D postSTM Constant-velocity phase-shift (
Stolt) migration, zero-offset preSTM, and subsequent demigration, in conjunction
...
Ian Frederick Jones, 2008
3
The Seismic Velocity Model as an Interpretation Asset
Demigration. An inverse operation to migration, applied to seismic data or
horizon interpretations made on migrated data. If demigration follows migration,
and if the same velocity field is used for both, then the output of demigration is the
same ...
The surface-related multiple modeling technique presented here involves using
the prestack demigration of a migrated volume and subsequently simulating the
reverberations of primary energy within this volume. It assumes that the migrated
...
includes diffracted wave branches. This has to be so because, corresponding to
Kirchhoff migration, also demigration sums up all possible contributions to a
given point in the time section to be constructed. Modeling by demigration
appears to ...
European Association of Geoscientists and Engineers. Meeting, 1998
6
Extended Abstracts Book: Oral presentations
In the case of using modeling by demigration for the simulation of a seismic zero
offset (ZO) section, the idea of constructing an AMS can be directly applied. All
necessary quantities (i.e., the stretch factor and the reflection coefiicient) are ...
EAGE Conference & Exhibition. Meeting, European Association of Exploration Geophysicists, European Association of Petroleum Geoscientists, 2003
7
Expanded Abstracts with Biographies: Technical Program
Thus, the calculated travel time T for ray bending in a VTI media is: 6) T=21"_, +
AT=2T',[1+%CC';_f ]+AT(Vl'I) ( Equation (6) is implemented for the demigration
travel time computations for bending ray in a VTI media. It takes both ray bending
...
8
Technical Program, Expanded Abstracts with Authors' Biographies
precomputed traveltime tables: the demigration mapping thus require the use of
the traveltime tables corresponding to a plane and horizontal wave emitted from
the surface. Approximated delayed demigration proceedure In the ...
9
Journal of Seismic Exploration
The weight function used in the 3D time-migration algorithm produces a true-
amplitude image gather when the medium velocity is constant, i.e., the output
amplitudes are proportional to the reflection coefficients. Also, the applied
demigration ...
Iouunl' NetWare tile sewer Conner HSM = tile sewer - Optical iukehox DAT tape 7
Mirrored hard disks _ scsl connection (secondary (tertiary -5 HSM storage) HSM
storage) Automatic demigration V 0 I .'Iunun"' SCSI connection Palindrome ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «DEMIGRATION»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
demigration w wiadomościach.
Labour's action on housing doesn't match its rhetoric
It would surely be better to begin a determined process of demigration and to regenerate our existing towns and cities when the pressure of ... «Spectator.co.uk, Sie 14»
Sultan of Brunei Threatens Critics of Sharia Law
... if He chose to ignore it, then let it go, Brunei will soon be a total wasteland as soon as the oil completely depleted or just suffered demigration. «Global Voices Online, Mar 14»
